Title | Replies (including bot) | Last reply |
---|---|---|
KASAN: use-after-free Read in h5_rx_3wire_hdr | 6 (7) | 2019/07/25 13:04 |
Reminder: 29 open syzbot bugs in bluetooth subsystem | 1 (1) | 2019/07/24 01:41 |
syzbot |
sign-in | mailing list | source | docs |
Title | Replies (including bot) | Last reply |
---|---|---|
KASAN: use-after-free Read in h5_rx_3wire_hdr | 6 (7) | 2019/07/25 13:04 |
Reminder: 29 open syzbot bugs in bluetooth subsystem | 1 (1) | 2019/07/24 01:41 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.19 | KASAN: use-after-free Read in h5_rx_3wire_hdr (2) | 1 | 1201d | 1201d | 0/1 | auto-closed as invalid on 2021/10/29 20:15 | |||
linux-4.14 | KASAN: use-after-free Read in h5_rx_3wire_hdr | syz | inconclusive | 2 | 1584d | 1914d | 0/1 | upstream: reported syz repro on 2019/07/20 02:11 | |
linux-4.19 | KASAN: use-after-free Read in h5_rx_3wire_hdr | 2 | 1648d | 1690d | 0/1 | auto-closed as invalid on 2020/08/08 17:48 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2023/04/15 21:40 | 18m | retest repro | linux-next | OK log | |
2023/04/15 20:40 | 18m | retest repro | linux-next | OK log | |
2022/10/13 07:30 | 0m | retest repro | linux-next | error | |
2022/10/13 06:30 | 0m | retest repro | linux-next | error |
================================================================== BUG: KASAN: use-after-free in h5_rx_3wire_hdr+0x38f/0x3c0 drivers/bluetooth/hci_h5.c:431 Read of size 8 at addr ffff888087d29708 by task syz-executor.2/10267 CPU: 0 PID: 10267 Comm: syz-executor.2 Not tainted 5.2.0-next-20190718 #41 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_address_description.cold+0xd4/0x306 mm/kasan/report.c:351 __kasan_report.cold+0x1b/0x36 mm/kasan/report.c:482 kasan_report+0x12/0x17 mm/kasan/common.c:612 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:132 h5_rx_3wire_hdr+0x38f/0x3c0 drivers/bluetooth/hci_h5.c:431 h5_recv+0x32f/0x500 drivers/bluetooth/hci_h5.c:563 hci_uart_tty_receive+0x279/0x790 drivers/bluetooth/hci_ldisc.c:600 tiocsti drivers/tty/tty_io.c:2197 [inline] tty_ioctl+0x949/0x14f0 drivers/tty/tty_io.c:2573 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459829 Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffd1dc41858 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829 RDX: 0000000020000080 RSI: 0000000000005412 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000555555d0c914 R13: 00000000004c408a R14: 00000000004d7ff0 R15: 00000000ffffffff Allocated by task 9300: save_stack+0x23/0x90 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_kmalloc mm/kasan/common.c:487 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:460 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:495 slab_post_alloc_hook mm/slab.h:520 [inline] slab_alloc_node mm/slab.c:3262 [inline] kmem_cache_alloc_node+0x138/0x740 mm/slab.c:3574 __alloc_skb+0xd5/0x5e0 net/core/skbuff.c:197 alloc_skb include/linux/skbuff.h:1055 [inline] bt_skb_alloc include/net/bluetooth/bluetooth.h:339 [inline] h5_rx_pkt_start+0xce/0x270 drivers/bluetooth/hci_h5.c:474 h5_recv+0x32f/0x500 drivers/bluetooth/hci_h5.c:563 hci_uart_tty_receive+0x279/0x790 drivers/bluetooth/hci_ldisc.c:600 tty_ldisc_receive_buf+0x15f/0x1c0 drivers/tty/tty_buffer.c:465 tty_port_default_receive_buf+0x7d/0xb0 drivers/tty/tty_port.c:38 receive_buf drivers/tty/tty_buffer.c:481 [inline] flush_to_ldisc+0x222/0x390 drivers/tty/tty_buffer.c:533 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 Freed by task 9300: save_stack+0x23/0x90 mm/kasan/common.c:69 set_track mm/kasan/common.c:77 [inline] __kasan_slab_free+0x102/0x150 mm/kasan/common.c:449 kasan_slab_free+0xe/0x10 mm/kasan/common.c:457 __cache_free mm/slab.c:3425 [inline] kmem_cache_free+0x86/0x320 mm/slab.c:3693 kfree_skbmem net/core/skbuff.c:623 [inline] kfree_skbmem+0xc5/0x150 net/core/skbuff.c:617 __kfree_skb net/core/skbuff.c:680 [inline] kfree_skb net/core/skbuff.c:697 [inline] kfree_skb+0x109/0x3c0 net/core/skbuff.c:691 h5_reset_rx+0x4c/0x120 drivers/bluetooth/hci_h5.c:530 h5_rx_3wire_hdr+0x2f5/0x3c0 drivers/bluetooth/hci_h5.c:440 h5_recv+0x32f/0x500 drivers/bluetooth/hci_h5.c:563 hci_uart_tty_receive+0x279/0x790 drivers/bluetooth/hci_ldisc.c:600 tty_ldisc_receive_buf+0x15f/0x1c0 drivers/tty/tty_buffer.c:465 tty_port_default_receive_buf+0x7d/0xb0 drivers/tty/tty_port.c:38 receive_buf drivers/tty/tty_buffer.c:481 [inline] flush_to_ldisc+0x222/0x390 drivers/tty/tty_buffer.c:533 process_one_work+0x9af/0x1740 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x361/0x430 kernel/kthread.c:255 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352 The buggy address belongs to the object at ffff888087d29640 which belongs to the cache skbuff_head_cache of size 224 The buggy address is located 200 bytes inside of 224-byte region [ffff888087d29640, ffff888087d29720) The buggy address belongs to the page: page:ffffea00021f4a40 refcount:1 mapcount:0 mapping:ffff88821b69fa80 index:0x0 flags: 0x1fffc0000000200(slab) raw: 01fffc0000000200 ffffea000237d008 ffffea0002344808 ffff88821b69fa80 raw: 0000000000000000 ffff888087d29000 000000010000000c 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888087d29600: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ffff888087d29680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888087d29700: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc ^ ffff888087d29780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888087d29800: fb fb fb fb fb fb fb fb fb fb fb fb fc fc fc fc ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/07/23 21:16 | linux-next | 6d21a41b7b1f | de453f34 | .config | console log | report | syz | ci-upstream-linux-next-kasan-gce-root | ||||
2019/07/20 04:00 | linux-next | 6d21a41b7b1f | 1656845f | .config | console log | report | syz | ci-upstream-linux-next-kasan-gce-root | ||||
2021/08/26 14:13 | upstream | 73f3af7b4611 | b599f2fc | .config | console log | report | info | ci-upstream-kasan-gce-root | KASAN: use-after-free Read in h5_rx_3wire_hdr |